Hammer



FIG. 1 is a perspective view of a hammer showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a right-side elevational view thereof; and,

FIG. 7 is a left-side elevational view thereof.

The broken lines depict portions of the hammer in which the design isembodied that form no part of the claimed design.

CLAIM The ornamental design for a hammer, as shown and described.